Não informado. (1951). Collected papers of the Division of Medicine and Public Health of the Rockefeller Foundation. Rockefeller Foundation.
Chicago-referens (17:e uppl.)Não informado. Collected Papers of the Division of Medicine and Public Health of the Rockefeller Foundation. New York: Rockefeller Foundation, 1951.
MLA-referens (8:e uppl.)Não informado. Collected Papers of the Division of Medicine and Public Health of the Rockefeller Foundation. Rockefeller Foundation, 1951.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.